R help - Sep 2007 - How to produce a macron symbol (overline / overbar) on a plot

Can anyone tell me how to produce a macron (or overbar or overline)  
symbol on an R plot.  I have an axis that is labeled "temp", but I  
need the overbar symbol over the entire word.

Thanks,

Dr. Jason W. Horn
Research Associate
Boston University Department of Biology
5 Cumington Street  Boston, MA 02215

jhorn@bu.edu
office: 617 353 6987
cell: 401 588 2766



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On Mon, 2007-09-17 at 14:00 -0400, Jason Horn wrote:
> Can anyone tell me how to produce a macron (or overbar or overline)  
> symbol on an R plot.  I have an axis that is labeled "temp", but
I
> need the overbar symbol over the entire word.
See ?plotmath and the examples therein.

Example:

  plot(1, xlab = expression(bar(temp)))

HTH,

Marc Schwartz

xlab=expression(bar(temp))
or
xlab=expression(bar(" temp")) 

The overbar looks like it begins above "e" in the first case.

See demo(plotmath).


Jason Horn wrote:
> 
> Can anyone tell me how to produce a macron (or overbar or overline)  
> symbol on an R plot.  I have an axis that is labeled "temp", but
I
> need the overbar symbol over the entire word.
> 
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